5 Crowns - Elizabeth II 1992 Olympic Games

The Turks and Caicos Islands, a British Overseas Territory with no meaningful Olympic participation history, issued this crown-sized piece purely as a numismatic product timed to the Barcelona Games. The islands had adopted the U.S. dollar as official currency decades earlier, making large copper-nickel crowns functionally decorative from the moment of issue — struck for collectors, not cashiers.